$448 Cheap Flights from Chengdu (CTU) to Seattle (SEA)

View $448 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Shuangliu Intl. Airport (CTU) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Chengdu to Seattle (CTU-SEA)

Prices were available within the past 7 days and start at $448 for one-way flights and $713 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Dec 17 - Thu, Jan 1
CTU
Chengdu
SEA
Seattle
$713 Roundtrip, found 2 hours ago
$713
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Wed, Dec 17 from Chengdu to Seattle, returning Thu, Jan 1, priced at $713 found 2 hours ago
Air Canada
Wed, Dec 17 - Mon, Dec 29
CTU
Chengdu
SEA
Seattle
$791 Roundtrip, found 2 hours ago
$791
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Wed, Dec 17 from Chengdu to Seattle, returning Mon, Dec 29, priced at $791 found 2 hours ago
Air Canada
Tue, Nov 18 - Wed, Dec 3
CTU
Chengdu
SEA
Seattle
$795 Roundtrip, found 2 hours ago
$795
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Tue, Nov 18 from Chengdu to Seattle, returning Wed, Dec 3, priced at $795 found 2 hours ago
Air Canada
Fri, Nov 28 - Wed, Dec 10
CTU
Chengdu
SEA
Seattle
$799 Roundtrip, found 2 hours ago
$799
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Fri, Nov 28 from Chengdu to Seattle, returning Wed, Dec 10, priced at $799 found 2 hours ago
Air Canada
Wed, Dec 17 - Sat, Jan 3
CTU
Chengdu
SEA
Seattle
$823 Roundtrip, found 2 hours ago
$823
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Wed, Dec 17 from Chengdu to Seattle, returning Sat, Jan 3, priced at $823 found 2 hours ago
Air Canada
Tue, Nov 18 - Sun, Nov 30
CTU
Chengdu
SEA
Seattle
$857 Roundtrip, found 2 hours ago
$857
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Tue, Nov 18 from Chengdu to Seattle, returning Sun, Nov 30, priced at $857 found 2 hours ago
Air Canada
Tue, Dec 16 - Thu, Jan 1
CTU
Chengdu
SEA
Seattle
$871 Roundtrip, found 2 hours ago
$871
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Tue, Dec 16 from Chengdu to Seattle, returning Thu, Jan 1, priced at $871 found 2 hours ago
Air China
Wed, Nov 12 - Thu, Nov 27
CTU
Chengdu
SEA
Seattle
$942 Roundtrip, found 2 hours ago
$942
Roundtrip
found 2 hours ago
Select Air China flight, departing Wed, Nov 12 from Chengdu to Seattle, returning Thu, Nov 27, priced at $942 found 2 hours ago
United
Tue, Nov 11 - Wed, Nov 12
CTU
Chengdu
SEA
Seattle
$1,429 Roundtrip, found 6 days ago
$1,429
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 11 from Chengdu to Seattle, returning Wed, Nov 12, priced at $1,429 found 6 days ago
Lufthansa
Sat, Jul 18 - Mon, Aug 17
CTU
Chengdu
SEA
Seattle
$2,368 Roundtrip, found 5 days ago
$2,368
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sat, Jul 18 from Chengdu to Seattle, returning Mon, Aug 17, priced at $2,368 found 5 days ago

Find the cheapest month to fly from Chengdu (CTU) to Seattle (SEA)

November is typically the cheapest month to fly

From $839 - $1,737 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $988
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $988

Frequently asked questions

How much does a flight from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA) cost?
Grab a cheap one-way flight from $448 or cheap return flight from $713 from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from CTU to SEA is December, when demand is low. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from CTU to SEA. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA)?
There are no daily direct flights available from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from CTU to SEA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA)?
Select a flight from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from CTU to SEA shortly before your getaway is usually more expensive. But if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a CTU to SEA flight and hotel package?
Securing a CTU to SEA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Shuangliu Intl. Airport (CTU) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your CTU to SEA flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Shuangliu Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air China
Roundtrip price
$712
Distance
6328 mi

Book with confidence

Chengdu to Seattle Flights

The cheapest times to fly from Chengdu to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chengdu to Seattle are during the month of December. You can find some of the cheapest flights from Chengdu to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chengdu to Seattle

Sunday is one of the best days to book for cheap flights from Chengdu to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chengdu to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chengdu to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $448 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chengdu to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chengdu to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chengdu to Seattle Flights

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*Available to One Key members.